#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Date    : 2020-08-28 17:14:11
# @Author  : Zuo Zhongfei (zuozhongfei@126.com)
# @Link    : www
# @Version : $Id$

import pygame
from pygame.locals import *
from settings import Settings
from ship import Ship
import game_function as gf
from pygame.sprite import Group
from game_stats import GameStats

def run_game():

    # 初始化游戏并创建一个屏幕对象
    pygame.init()
    # 初始化设置实例对象
    ai_settings = Settings()

    # 获取一个屏幕对象
    screen = pygame.display.set_mode((ai_settings.screen_width, ai_settings.screen_height))

    # 设置窗口标题
    pygame.display.set_caption("Alien Invasion")

    # 创建一个用于存储游戏统计信息的实例
    stats = GameStats(ai_settings)


    # 创建一艘飞船
    ship = Ship(ai_settings, screen)

    # 创建一个用户存储子弹的编组
    bullets = Group()

    # 创建一个外星人编组
    aliens = Group()

    gf.create_fleet(ai_settings, screen, ship, aliens)

    # 开始游戏主循环
    while True:
        # 监听键盘和鼠标事件
        gf.check_events(ai_settings, screen, ship, bullets)

        if stats.game_active == True:
            ship.update()
            gf.update_bullets(ai_settings,screen,ship,aliens,bullets)
            gf.update_aliens(ai_settings,stats,screen,ship, aliens,bullets)
            # 更新屏幕显示
            gf.update_screen(ai_settings, screen, ship, aliens, bullets)


run_game()
